1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.camera.data;
18 
19 import android.media.MediaMetadataRetriever;
20 
21 import com.android.camera.debug.Log;
22 
23 public class VideoRotationMetadataLoader {
24     private static final Log.Tag TAG = new Log.Tag("VidRotDataLoader");
25 
26     private static final String ROTATE_90 = "90";
27     private static final String ROTATE_270 = "270";
28 
isRotated(FilmstripItem filmstripItem)29     static boolean isRotated(FilmstripItem filmstripItem) {
30         final String rotation = filmstripItem.getMetadata().getVideoOrientation();
31         return ROTATE_90.equals(rotation) || ROTATE_270.equals(rotation);
32     }
33 
loadRotationMetadata(final FilmstripItem data)34     static boolean loadRotationMetadata(final FilmstripItem data) {
35         final String path = data.getData().getFilePath();
36         MediaMetadataRetriever retriever = new MediaMetadataRetriever();
37         try {
38             retriever.setDataSource(path);
39             data.getMetadata().setVideoOrientation(retriever.extractMetadata(
40                 MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION));
41 
42             String val = retriever.extractMetadata(
43                     MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH);
44 
45             data.getMetadata().setVideoWidth(Integer.parseInt(val));
46 
47             val = retriever.extractMetadata(
48                     MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT);
49 
50             data.getMetadata().setVideoHeight(Integer.parseInt(val));
51         } catch (RuntimeException ex) {
52             // setDataSource() can cause RuntimeException beyond
53             // IllegalArgumentException. e.g: data contain *.avi file.
54             Log.e(TAG, "MediaMetdataRetriever.setDataSource() fail", ex);
55         }
56         return true;
57     }
58 }
59